| Acronym | Definition |
|---|
| KSR | Kim Stanley Robinson (novelist) |
| KSR | Kinase Suppressor of Ras |
| KSR | Keyboard Send Receive |
| KSR | Kelly Scientific Resources (staffing; various locations) |
| KSR | Kentucky Sports Radio (Internet radio) |
| KSR | Keyboard Send/Receive |
| KSR | Kosher (certification mark) |
| KSR | Kentucky State Reformatory |
| KSR | Katori Shinto Ryu (martial arts) |
| KSR | Kernspinresonanz (German: Nuclear Magnetic Resonance) |
| KSR | King's School Rochester (UK) |
| KSR | Kendall Square Research, Inc |
| KSR | Korean Society of Rheology |
| KSR | Korea Society of Raccoon |
| KSR | Key Storage RAM (Random-Access Memory) |
| KSR | Konstant-Strom-Regelung (German: regulation of constant current) |
| KSR | Known Shortage Report (sales) |